Canada: 1846 Kingston U.C. Frontenac
County double broken circle NO 2 1846, cross border cover to NY
for which only US postage is required and indicated by a manuscript «
10 » for a destination of over 300 miles from the border.
Kingston was an exchange office on the border with the USA and the
postmaster at Kingston was also
a postmaster of the US Post Office
Department (see p.58 Boggs) so he charged only US postage on this cover
One of the very few situations where a cover could be mailed in
Canada w/o paying Canadian postage,
or to the USA from outside
incurring only US postage.
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